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12.0 Water Quality Maintenance
Maintaining the quality of the water within specified limits will serve to
enhance your enjoyment and prolong the life of the hot tub's equipment. It
is a fairly simple task, but it requires regular attention because the water
chemistry involved is a balance of several factors. There is no simple formu-
la, and there is no avoiding it. A careless attitude in regard to water mainte-
nance will result in poor and potentially unhealthful conditions for soaking
and even damage to your hot tub investment. For specific guidance on
maintaining water quality, consult your Authorized Sundance Dealer who
can recommend appropriate chemical products for sanitizing and maintain-
ing your hot tub.
CAUTION: Never store hot tub chemicals inside the hot tub's equipment bay.
12 .1 pH Control
pH is a measure of relative acidity or alkalinity of water and is measured on
a scale of 0 to 14. The midpoint of 7 is said to be neutral, above which is
alkaline and below which is acidic. In hot tub water, IT IS VERY IMPOR-
TANT TO MAINTAIN A SLIGHTLY ALKALINE CONDITION OF 7.2 to 7.8.
Problems become proportionately severe the further outside of this range
the water gets. A low pH will be corrosive to metals in the hot tub equip-
ment. A high pH will cause minerals to deposit on the interior surface
(scaling). In addition, the ability of the sanitation agents to keep the hot tub
clean is severely affected as the pH moves beyond the ideal range. That is
why almost all hot tub water test kits contain a measure for pH as well as
sanitizer.
12 .2 Sanitizing
To destroy bacteria and organic compounds in the hot tub water, a sanitizer
must be used regularly. Your Sundance hot tub is equipped with the
Brominator™, a special compartment built into the floating skimmer gate to
hold bromine tablets. By regulating the number of bromine tablets in the
Brominator™ and the length of the skimming/heating cycles, you can
control the amount of bromine which is actively working in your hot tub
water. A bromine residual of 2 to 3 ppm is generally considered desirable.
A two-part bromine system or granular chlorine (Dichlor) are also accept-
able sanitizers.
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